The standard dilution rate is 1 part concentrate to 2 parts water (1:2), but it can be mixed 1:1 for tougher stains.
NorthStar Pressure Washer High-Performance Gutter Wash Concentrate, 1-Gallon, Model# NSGW1

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- High-concentration formula for better performance
- Removes black streaks, oxidation, mud, mildew
- Makes up to 20 gallons
- For cold water and hot water pressure washers and steam cleaners
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Description
Key Specs
Reviews
Q & A
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Product Summary
What's Included
- (1) 1-gallon high-performance Gutter Wash concentrate
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Features + Benefits
- High-concentration formula for better performance
- Removes black streaks, oxidation, mud, mildew
- Makes up to 20 gallons
- For cold water and hot water pressure washers and steam cleaners
Key Specs
| Attribute | Specification |
|---|---|
item# | 47920 |
Brand | NorthStar |
Ship Weight | 8.6 LB |
| Attribute | Specification |
|---|---|
Gallons | 1 Gal |
Application | Gutter |
Reviews
Questions & Answers
Questions
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· 11 months ago
I purchased but the only bottle did not have a label. Please supply the mix ratios when using a hand sprayer for applying to painted gutters.
1 answer-
NorthstarExpert12· 11 months ago
Helpful?
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· 2 years ago
Can this be used to clean oxidation from window frames without damaging the glass?
1 answer-
NorthstarExpert12· a year ago
This concentrate is not recommended for use on glass as it contains sodium carbonate.
Helpful?
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· 3 years ago
What are the ingredients?
1 answer-
NorthstarExpert12· 3 years ago
This gutter wash is made up of sodium carbonate and a proprietary chemical that is not disclosed by the manufacturer.
Helpful?
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· 5 years ago
My washer, the cleaner is transported through the pump, thus is the chemical makeup of this cleaner, harmful to the pump/parts/etc?
1 answer-
NorthStarExpert31· 5 years ago
This should only be used with a downstream injector. Running a pressure washer chemical through the pump can damage the pump and seals.
Helpful?
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· 5 years ago
Will the gutter wash kill surrounding plants and grass?
1 answer-
NorthstarExpert7· 5 years ago
It is best to wet surrounding plants with clean water prior to using the gutter wash to prevent harm to the vegetation.
Helpful?
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· 8 years ago
Is this safe for vinyl siding?
1 answer-
NorthstarExpert11· 8 years ago
This gutter wash concentrate can be effectively and safely used on: vinyl (including siding), plastic, wood, metal, fiberglass, stucco, and brick.
Helpful?
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Specifications
1 Gal
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5 Gal
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